【发布时间】：2020-04-01 22:39:43
【问题描述】：
我正在尝试在验证码中切换到 iframe，但出现此错误 selenium.common.exceptions.InvalidSelectorException：消息：无效选择器：xpath 表达式“//iframe”的结果是：[object HTMLIFrameElement]。它应该是一个元素。 我尝试切换到 Iiframe，但它不起作用，我找到带有检查元素的 iframe，但是当我运行脚本时我找不到元素，我还添加了显式等待，时间睡眠，但它仍然不起作用 这是html代码
<html lang="en"><head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Access to this page has been denied.</title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300" rel="stylesheet">
<style>
html, body {
margin: 0;
padding: 0;
font-family: 'Open Sans', sans-serif;
color: #000;
}
a {
color: #c5c5c5;
text-decoration: none;
}
.container {
align-items: center;
display: flex;
flex: 1;
justify-content: space-between;
flex-direction: column;
height: 100%;
}
.container > div {
width: 100%;
display: flex;
justify-content: center;
}
.container > div > div {
display: flex;
width: 80%;
}
.customer-logo-wrapper {
padding-top: 2rem;
flex-grow: 0;
background-color: #fff;
visibility: hidden;
}
.customer-logo {
border-bottom: 1px solid #000;
}
.customer-logo > img {
padding-bottom: 1rem;
max-height: 50px;
max-width: 100%;
}
.page-title-wrapper {
flex-grow: 2;
}
.page-title {
flex-direction: column-reverse;
}
.content-wrapper {
flex-grow: 5;
}
.content {
flex-direction: column;
}
.page-footer-wrapper {
align-items: center;
flex-grow: 0.2;
background-color: #000;
color: #c5c5c5;
font-size: 70%;
}
@media (min-width: 768px) {
html, body {
height: 100%;
}
}
</style>
<script src="/rw7M6iAV/captcha/PXrw7M6iAV/captcha.js?a=c&m=0&u=266c5db0-19e6-11ea-8150-878a39a29362&v="></script><style type="text/css">.px-loader-wrapper { display: flex;}@keyframes loadingEffect { 0% { background-position: 0; } 100% { background-position: 60vw; }}.px-inner-loading-area { width: 310px; height: 30px; animation-name: loadingEffect; animation-duration: 1.2s; animation-iteration-count: infinite; animation-timing-function: ease; animation-fill-mode: forwards; background: linear-gradient(to right, #F6F6F6 8%, #F0F0F0 18%, #F6F6F6 33%);}.px-loading-area { width: 310px; height: 30px; margin: 0; ;}</style><script src="/rw7M6iAV/init.js"></script><a tabindex="-1" aria-hidden="true" href="/organization/waldeck-associates?_pxhc=1575828688573" rel="nofollow" target="_blank" style="width: 0px; height: 0px; font-size: 0px; line-height: 0;"></a></head>
<body>
<section class="container">
<div class="customer-logo-wrapper">
<div class="customer-logo">
<img src="" alt="Logo">
</div>
</div>
<div class="page-title-wrapper">
<div class="page-title">
<h1>Please verify you are a human</h1>
</div>
</div>
<div class="content-wrapper">
<div class="content">
<div id="px-captcha" role="main"><style>@media screen and (max-width: 350px) {
#px-captcha {
position: relative;
right: 32px;
}
}</style><iframe style="display: block; width: 310px; height: 100px; border: 0; padding:0; margin: 0; -moz-user-select: none;-khtml-user-select: none;-webkit-user-select: none;-ms-user-select: none;user-select: none;" token="efbbf8834a03575dcd9c41ce37a32800bac150d7be5c1b3bf3a953f0879cfc3caa53da776440a3d731e03394daec916c92fe9416ba7947d3cea7370b970a551d"></iframe></div>
<p>
Access to this page has been denied because we believe you are using automation tools to browse the
website.
</p>
<p>
This may happen as a result of the following:
</p>
<ul>
<li>
Javascript is disabled or blocked by an extension (ad blockers for example)
</li>
<li>
Your browser does not support cookies
</li>
</ul>
<p>
Please make sure that Javascript and cookies are enabled on your browser and that you are not blocking
them from loading.
</p>
<p>
Reference ID: #266c5db0-19e6-11ea-8150-878a39a29362
</p>
<div id="px-block-form-wrapper"><div><style>#px-block-form-wrapper{width:400px;position:absolute;bottom:0;left:calc(50% - 200px)}#px-block-toggle-button{height:20px;background:#fff;color:#000;border-radius:3px;padding:10px;cursor:pointer;font-size:13px;text-align:center;width:270px;border:1px solid #000;font-weight:900;margin-left:75px;text-decoration:underline}#px-block-form{background:#fff;border:1px solid;border-color:#404040;color:#000;border-radius:3px;height:265px;font-size:12px}button#px-form-close{float:right;background:0 0;border:none;color:#fff;font-size:18px;cursor:pointer}button#px-form-submit{position:absolute;bottom:10px;background:#404040;border:none;width:100px;border-radius:3px;height:25px;color:#fff;right:20px;cursor:pointer}button#px-form-submit:disabled{background:#ddd;cursor:not-allowed;color:#000}div#px-form{color:#000;padding:15px}div#px-form-head{padding:10px;font-size:14px;background:#404040;color:#fff}div#px-form textarea{margin:-5px 0 0 4px;width:300px;height:36px}div#px-form div{margin-bottom:6px}#px-form-thank-you{background:#fff;color:#000;border:1px solid;border-color:#404040;border-radius:3px;height:54px;padding:5px 10px;text-align:center;width:330px;margin-left:35px}#px-form-thank-you div{font-size:15px;margin-top:14px}#px-form-thank-you span.checkmark{margin-right:8px;color:green;font-size:20px}div#px-form form h4{margin:8px 4px}@media only screen and (orientation:portrait){#px-block-form-wrapper{width:97%;position:relative;left:3%;z-index:10}#px-block-toggle-button{height:20px;background:#fff;color:#000;padding:3px;cursor:pointer;font-size:13px;text-align:center;width:94%;border:none;font-weight:900;text-decoration:underline;margin-left:0;position:fixed;bottom:5px;right:10px;width:initial}#px-block-form{background:#fff;border:1px solid;border-color:#404040;color:#000;border-radius:3px;height:250px;font-size:12px}button#px-form-close{float:right;background:0 0;border:none;color:#fff;font-size:18px;cursor:pointer;position:absolute;right:15px;padding:0;bottom:6px}button#px-form-submit{position:absolute;bottom:10px;background:#404040;border:none;width:100px;border-radius:3px;height:25px;color:#fff;right:20px;cursor:pointer;font-size:13px}button#px-form-submit:disabled{background:#ddd;cursor:not-allowed;color:#000}div#px-form{color:#000;padding:15px}div#px-form-head{padding:10px;font-size:14px;background:#404040;color:#fff;position:relative}div#px-form textarea{margin:-5px 0 0 4px;width:90%;height:36px}div#px-form div{margin-bottom:6px}#px-form-thank-you{background:#fff;color:#000;border:1px solid;border-color:#404040;border-radius:3px;height:54px;padding:5px 10px;text-align:center;width:94%;margin-left:0}#px-form-thank-you div{font-size:15px;margin-top:14px}#px-form-thank-you span.checkmark{margin-right:8px;color:green;font-size:20px}div#px-form form h4{margin:8px 4px}.container{display:block;position:relative}.container .content-wrapper{padding-bottom:40px}.container .page-footer-wrapper{position:fixed;bottom:0}.container .content-wrapper .content{margin:0 auto}}</style><div id="px-block-toggle-button" onclick="_pxToggleOpenForm()" hidden="">Report an issue</div><div id="px-block-form"><div id="px-form-head"><span>Experiencing issues? Let us know:</span> <button onclick="_pxToggleOpenForm(!0)" id="px-form-close">X</button></div><div id="px-form"><form><div style="display:none"><input onchange="_pxItemSelected()" type="radio" id="opt0" name="px-report-reason" value="-1"> <label for="opt0">I’m a bot</label></div><div><input onchange="_pxItemSelected()" type="radio" id="opt1" name="px-report-reason" value="1"> <label for="opt1">I don’t see any challenge</label></div><div><input onchange="_pxItemSelected()" type="radio" id="opt2" name="px-report-reason" value="2"> <label for="opt2">I keep solving the challenge</label></div><div><input onchange="_pxItemSelected()" type="radio" id="opt3" name="px-report-reason" value="3"> <label for="opt3">Other (please elaborate)</label></div><h4>Additional Information:</h4><textarea id="px-form-free-text" placeholder="Experiencing other issues?"></textarea></form><button disabled="disabled" id="px-form-submit" onclick="_pxSubmitForm()">Send</button></div></div><div hidden="" id="px-form-thank-you"><div><span class="checkmark">✓</span><span>Thank you for the feedback</span></div></div></div></div></div>
</div>
<div class="page-footer-wrapper">
<div class="page-footer">
<p>
Powered by
<a href="https://www.perimeterx.com/whywasiblocked">PerimeterX</a>
, Inc.
</p>
</div>
</div>
</section>
<script>
window._pxAppId = 'PXrw7M6iAV';
window._pxJsClientSrc = '/rw7M6iAV/init.js';
window._pxFirstPartyEnabled = true;
window._pxVid = '';
window._pxUuid = '266c5db0-19e6-11ea-8150-878a39a29362';
window._pxHostUrl = '/rw7M6iAV/xhr';
</script>
<script>
var s = document.createElement('script');
s.src = '/rw7M6iAV/captcha/PXrw7M6iAV/captcha.js?a=c&m=0&u=266c5db0-19e6-11ea-8150-878a39a29362&v=';
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var suffixIndex = '/rw7M6iAV/captcha/PXrw7M6iAV/captcha.js?a=c&m=0&u=266c5db0-19e6-11ea-8150-878a39a29362&v='.indexOf('captcha.js');
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【问题讨论】：
标签： python python-3.x selenium selenium-webdriver